Home / 19,683.25-29,492.07-13,829.38

Finding the Fourth Proportional to 19,683.25, 29,492.07 and 13,829.38

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Solution

The fourth proportional to 19,683.25, 29,492.07 and 13,829.38 is: 20,721.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,683.25 : 29,492.07 = 13,829.38 : x
  2. Step 2: Convert to fraction form
    19,683.25/29,492.07 = 13,829.38/x
  3. Step 3: Cross multiply
    19,683.25x = 29,492.07 × 13,829.38
  4. Step 4: Simplify right side
    19,683.25x = 407,857,200.00
  5. Step 5: Solve for x
    x = 407,857,200.00/19,683.25
  6. Step 6: Final answer
    x = 20,721.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.